The Link2Web Base board is for an Raspberry Pi 3B+ or RPi4. It has 7 expansion slots for the Link2Web system and is powered with AC or DC, 7-30 Volt.
Each expansion slot is powered with +3.3V, 5V and 12V, of which power on/off can be controlled for 3.3 and 5 V rails individually for each expansion slot. The RPi3 communicates with the expansion slots with I2C via a I2C multiplexor to avoid address collissions.
And each expansion slot has a 4 pos screw terminal, and also direct access to the G and G0 (incoming power source), which is needed for instance for the Link2Web Triac expansion card.
Dimension; 190x130x45mm
NOTE; Raspberry Pi is NOT included by default. We have a small inventory of Raspberry Pi 3B+, but can't guarantee availability. Check with https://rpilocator.com for real-time updates on availability elsewhere.
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Shipping normally within 3 days for goods in stock. 6 weeks if out of stock.